Police are appealing for witnesses after a traffic accident in Wong Tai Sin in which a 71-year-old woman was killed yesterday. At about 7am, a taxi driven by a 51-year-old man travelling along Shung Wah Street towards Fung Tak Estate knocked down the woman as it turned into Po Kong Village Road towards Wong Tai Sin. Anyone who saw the accident or has information about it should call police on 2305 7570 or 2305 7500.